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Noticed something strange about fdisk output. |
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|
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EXAMPLE 1. |
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We see nothing out of place here. It displays a warning. |
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|
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[rondo:rondo]$ sudo fdisk -l /dev/sda |
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Password: |
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WARNING: fdisk GPT support is currently new, and therefore in an |
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experimental phase. Use at your own discretion. |
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|
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Disk /dev/sda: 64.0 GB, 64023257088 bytes, 125045424 sectors |
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Units = sectors of 1 * 512 = 512 bytes |
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Sector size (logical/physical): 512 bytes / 512 bytes |
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I/O size (minimum/optimal): 512 bytes / 512 bytes |
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Disk label type: gpt |
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|
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|
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# Start End Size Type Name |
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1 2048 69631 33M EFI System |
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2 69632 415743 169M Microsoft basic |
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3 415744 31873023 15G Microsoft basic |
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4 31873024 125042687 44,4G Microsoft basic |
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|
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EXAMPLE 2. |
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It says disk label is 'dos', not 'gpt' anymore. What is the GPT "system" of |
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sdb1 then? And there's no warning now. |
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|
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[rondo:rondo]$ sudo fdisk -l /dev/sdb |
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|
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Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes, 5860533168 sectors |
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Units = sectors of 1 * 512 = 512 bytes |
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Sector size (logical/physical): 512 bytes / 4096 bytes |
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I/O size (minimum/optimal): 4096 bytes / 4096 bytes |
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Disk label type: dos |
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Disk identifier: 0x00000000 |
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|
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Device Boot Start End Blocks Id System |
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/dev/sdb1 1 4294967295 2147483647+ ee GPT |
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Partition 1 does not start on physical sector boundary. |
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|
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EXAMPLE 3. |
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I use parted now instead of fdisk. It says both sda and sdb have GPT labels. |
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|
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Model: ATA M4-CT064M4SSD2 (scsi) |
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Disk /dev/sda: 64,0GB |
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Sector size (logical/physical): 512B/512B |
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Partition Table: gpt |
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Disk Flags: |
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|
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Number Start End Size File system Name Flags |
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1 1049kB 35,7MB 34,6MB fat32 boot |
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2 35,7MB 213MB 177MB ext4 |
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3 213MB 16,3GB 16,1GB ext4 |
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4 16,3GB 64,0GB 47,7GB |
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|
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|
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Model: ATA ST3000VX000-9YW1 (scsi) |
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Disk /dev/sdb: 3001GB |
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Sector size (logical/physical): 512B/4096B |
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Partition Table: gpt |
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Disk Flags: |
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|
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Number Start End Size File system Name Flags |
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1 1049kB 3001GB 3001GB lvm |
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|
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BOTTOM LINE. |
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|
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Is fdisk lying to me? |